(Each poster can nominate up to 5 for this award.)
Who do you suspect to have a mini-altar dedicated to Bill James in their room? Prefers a computer to a scout? Simply put, who is the most knowledgeable in regards to the world of stats in baseball.
And for those still a little lost, have you ever seen those crazy acronyms that appear foreign to you? It's likely the stat expert referencing a number he feels essential to the statistical analysis he's making. You might not know what the heck he's talking about, but he'll battle you to the death arguing how valid those stats are.